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公开(公告)号：US20220375911A1
公开(公告)日：2022-11-24
申请号：US17626154
申请日：2021-02-05
Inventor： Pei LI , Haiwei SUN , Ming ZHAI , Lu YU , Kangle CHANG , Jinpeng LI , Pengjun CAO , Yutao HAO , Shubai ZHANG , Shuo WANG , Pei QIN , Zewen GAO , Yali ZHANG
IPC: H01L25/16 , H01L33/60 , H01L33/54 , G02F1/13357
Abstract: A backboard, comprising a substrate, a first reflecting layer, multiple light-emitting diode chips, and multiple optical structures. The substrate comprises a circuit structure layer. The first reflecting layer is provided on a bearing surface of the substrate, and comprises multiple through holes provided at intervals. One of the multiple light-emitting diode chips is located in one of the multiple through holes, and the multiple light-emitting diode chips is electrically connected to the circuit structure layer. The circuit structure layer is configured to drive the multiple light-emitting diode chips to emit light. One of the multiple optical structures covers a light exit surface of one of the multiple light-emitting diode chips. Light entrance surfaces of the optical structures are in contact with light exit surfaces of the light-emitting diode chips. A light exit surface of the optical structure comprises a curved surface.
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公开(公告)号：US20220320394A1
公开(公告)日：2022-10-06
申请号：US17449058
申请日：2021-09-27
Inventor： Xaiwei Yun , Chenchang Chen , Wenchieh Huang , Bo Gao , Xuehai Qian , Meiling Jin , Wenjia Sun , Xiaozhou Liu
IPC: H01L33/62 , H01L25/075 , H01L33/50 , H01L33/00
Abstract: A miniature light emitting diode chip, a display substrate and a manufacturing method thereof, and a display device are provided. The miniature light emitting diode chip includes: a substrate, including a first side and a second side; a first contact portion and a plurality of contact portions; and a plurality of miniature light emitting diodes. The miniature light emitting diodes each include a first electrode and a second electrode. An orthographic projection of a combination of the plurality of miniature light emitting diodes and a spacing between any two of the plurality of miniature light emitting diodes falls within the substrate. The first electrode of each of the plurality of miniature light emitting diodes is electrically connected to the first contact potion, and the second electrode of each of the plurality of miniature light emitting diodes is electrically connected to the plurality of second contact portions, respectively.
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公开(公告)号：US20220284836A1
公开(公告)日：2022-09-08
申请号：US17504531
申请日：2021-10-19
Inventor： Shaofei GUO , Shipeng WANG , Zhonghua LI , Yiping RUAN
Abstract: A display module and a tiled display device are provided. The display module includes a driving backboard and a heat dissipation component, wherein the driving backboard includes an underlaying substrate and a driving circuit disposed on the underlaying substrate, the underlaying substrate is provided with a flexible printed circuit board connected with the driving circuit, and the heat dissipation component is provided with an adapter component connected with the flexible printed circuit board, and the adapter component includes a pluggable connector.
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114.发明申请公开(公告)号：US20220238057A1
公开(公告)日：2022-07-28
申请号：US17558290
申请日：2021-12-21
Inventor： Mengmeng WANG , Zhitao ZHANG , Xiurong WANG , Lingyun SHI , Tao YANG , Shicai CAO
IPC: G09G3/20
Abstract: The present disclosure relates to an apparatus and method for compensating for pixel data, a display panel and a storage medium. In one or more embodiments, the method includes: obtaining a first display area and a second display area of the display panel; obtaining, by mapping respective initial pixel data of pixels in the first display area using a preset grayscale target value, respective intermediate pixel data of the pixels in the first display area; and obtaining, by compensating for respective initial pixel data of pixels in the second display area and the respective intermediate pixel data of the pixels in the first display area using preset compensation coefficients, respective target pixel data of pixels in the second display area and the first display area.
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公开(公告)号：US11380271B2
公开(公告)日：2022-07-05
申请号：US16772226
申请日：2019-07-31
Abstract: Disclosed are a backlight driving method, a display driving method, a drive device and a display device. The backlight driving method includes: receiving a frame of backlight data, wherein the frame of backlight data includes a plurality of first control signals which are respectively applied to the plurality of switching channels and serve as the switching control signals, and a plurality of second control signal groups respectively corresponding to the plurality of first control signals, each of the plurality of second control signal groups includes a plurality of second control signals which are respectively applied to the plurality of output channels and serve as the output control signals, and the plurality of first control signals are modulated non-constant width pulse signals respectively; and driving the backlight unit to emit light by using the plurality of first control signals and the plurality of second control signal groups.
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Patent Agency Ranking
116.发明授权公开(公告)号：US11308896B2
公开(公告)日：2022-04-19
申请号：US16611800
申请日：2019-02-22
Inventor： Tiankuo Shi , Zhihua Ji , Xiaomang Zhang , Lingyun Shi , Xiurong Wang , Hao Zhang , Lili Chen , Yilang Sun , Yifang Chu , Yanhui Xi , Wenyu Li , Ming Chen
Abstract: The embodiments of this disclosure disclose a liquid crystal display device and a control method thereof, a head-mounted display device and a computer-readable storage medium. The control method of the liquid crystal display device comprises: obtaining a state of each pixel in the display panel based on inputted image data; obtaining a display zone comprising both pixels in a bright state and pixels in a dark state based on the state of each pixel in the display panel, and using the obtained display zone as a destination zone; obtaining a halo region based on the state of the pixels in the destination zone, wherein the halo region comprises pixels in the dark state in the destination zone; generating a first control signal based on the halo region; and controlling based on the first control signal a backlight zone to be adjusted.
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公开(公告)号：US12284851B2
公开(公告)日：2025-04-22
申请号：US17789593
申请日：2021-05-28
Inventor： Yinwei Chen , Haiwei Sun
IPC: H10H20/855 , H01L25/075 , H10H20/01
Abstract: A display panel includes a display module and a lens layer. The display module has a display region and includes a plurality of pixel units disposed in the display region and distributed in an array, each pixel unit is configured to emit light. The lens layer is disposed on a display side of the display module. Light emitted by the plurality pixel units passes through the lens layer to form a display image, and the display image includes a plurality of pixels distributed in an array. The number of pixel units included in a row of pixel units in a first direction is less than the number of pixels included in a row of pixels in the first direction. A first pixel distance is smaller than a first pixel unit distance.
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公开(公告)号：US20250095543A1
公开(公告)日：2025-03-20
申请号：US18293352
申请日：2022-12-23
Inventor： Bao Fu , Zhitao Zhang , Qibing Gu , Changhao Wang , Xiuling Li , Lingyun Shi , Xue Dong , Hao Zhou , Lili Jia
IPC: G09G3/32
Abstract: A light emitting module includes: a light emitting element array provided on a first substrate, including a plurality of light emitting elements arranged in an array in a row direction and a column direction, each of which includes a first electrode and a second electrode, wherein a driving current of the light emitting element is greater than or equal to 1 mA; and a plurality of row driving chips and a plurality of column driving chips provided on the first substrate. At least one row driving chip and at least one column driving chip are spaced apart in the row direction and the column direction. At least one row driving chip and at least one column driving chip are respectively electrically connected to the first electrodes of at least one row of light emitting elements and the second electrodes of at least one column of light emitting elements.
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公开(公告)号：US20250087119A1
公开(公告)日：2025-03-13
申请号：US18291627
申请日：2022-08-19
Inventor： Shaofei GUO , Shipeng WANG , Chao TIAN , Yiping RUAN , Dongjia HAO
Abstract: The embodiments of the present disclosure provide a box and a tiled device. The box is fitted for the tiled device. The box includes a bottom plate and a sidewall connected to the bottom plate, the sidewall being positioned on a side of the bottom plate and arranged along an edge of the bottom plate; a vent is provided in the bottom plate and/or the sidewall, and a corresponding retractable element is disposed at the vent; the retractable element includes a baffle configured to open or close the corresponding vent.
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公开(公告)号：US20250081695A1
公开(公告)日：2025-03-06
申请号：US17927058
申请日：2021-10-22
Inventor： Lili WANG , Sha FENG , Chao LIU , Chuhang WANG , Jing WANG , Mingming JIA , Huan WANG , Qi QI , Ming ZHAI
IPC: H01L33/62 , H01L25/075
Abstract: A display panel includes a backplane, back traces, side traces and blocking portions. The backplane includes a display surface, a non-display surface, and side surfaces connected to the two surfaces, where a side surface is a selected side surface. The back traces and the blocking portions are arranged on the non-display surface. Each back trace includes a first line segment and a second line segment, whose extension directions intersect. The side traces are arranged on the selected side surface. Of each side trace, an end is on the display surface, and the other end is on the non-display surface. Each side trace is electrically connected to a first line segment in a respective back trace, where the first line segment has the same extension direction as the other end of each side trace. Two adjacent first line segments are provided with a blocking portion therebetween.
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